(1) Mediation shall be completed within 10 days in case of a general business, or within 15 days in case of a public-service business, after a request for mediation as referred to in Article 53 is made.
(2) The period of mediation as referred to in paragraph (1) may be extended for not more than ten days in case of a general business, or not more than fifteen days for a public-service business.